/Engine/Source/Runtime/RHI/Public/RHICommandList.h
void ReadSurfaceData ( [FRHITexture](API\Runtime\RHI\FRHITexture) * Texture, FIntRect Rect, [TArray](API\Runtime\Core\Containers\TArray)< [FColor](API\Runtime\Core\Math\FColor) > & OutData, [FReadSurfaceDataFlags](API\Runtime\RHI\FReadSurfaceDataFlags) InFlags )